



ribs terminate in coplanar abutment surfaces at their lower ends, two of which are shown at 4I and u. Bottom plate Il lies against said abutment surfaces, thereby positioning the lamp Il correctly both vertically and laterally with respect to the lens 22. In order to retain the bottom plate Imstlheamtmentxnriaawtanding sprhg hooks or stents ll and are im'med on the plate 30 at opposite sides as best shown in Figs. 2 and 5. Preferably the hooks ll and l are integrally formed on the bottomplatejl and when so constructed. this member shouldhemde oi spring metal. These hooks frictionally engage with a corresponding pair otdmtan'd Il pmtruding from the inner surhue'die'irontmsd back walls Il and l2 atsuchadistance abovethe bottom oi the housing Il thatilhe hooks .m over said ledges to secure the plate l. snugly against the abutment surfaces Il and Il.

When assembling thisdevice, the lens Il and mhz :IIJ-are opening Jl. minousiilgz as shown inpl'ig. Zand-.the lensreininer 5I dsnsertedlbtwoen :the .interi-and fhepairn! rihssllmnd Manditisshoved upwandlyfauinst thealpmhnusing riba'f and. Thenthe lamp nembiydnclndingbemottomplate Il, is inmlm-.the Vhottmnfaof ythe ,housing and the hoch limnd'ltrsisoroel over the -lsdgesll amidlttnetsdnma'assemblyinaiiued and 4I.

irren ftherzhscrlpnn. it will be seen that this illnminathmdevice comprises Aarininimlm: ,.'be asleabdm'yxsib. meilightshields 3| land I2 mzillemther details, furthermoxesneamdfingseanne mtisiaetoryjight- Mtns; mathe hmnintlsswelifasto assureicormet alignment chine ianpndthe lens,all of ahichmdn amordame animal-.he obiecis ot this um Although intim Isrmszoizthiamvention bre mm-shun M .described .in.detail,zit `will hezimentdzthat' otinrlsorms'are and may ba'mde. in. the; .dem :arts .-mdubstutis ,magahe .made therein without deprime npmatheminit nt theman- :timns aimed intmelaims.

.lialaimz .'1.;m.an, Jviee ntzthe `.allied cammisingfalslisimcaxmnt waiimaaid hmuinglhvingzthneinren npeniiu iurthe :pnue'nikltht mL-hiring aix-,inlet mit tenth stimme.. ainrwalldn 'nidhonsing having lli',K tlet mrtszthensimfaisnsdn allnpnlimedfwith :luminarias-11km 4 away from the front wall on opposite side walls oi the housing, a resilient sheet metal retainer located in the space between said ribs and iront wall. said retainer pressing against the lens and abutting at its side edges against said ribs to hold the lens in said opening. said retainer havingnimle thelin alunni-ith :thefmst said npemng mr themassaluaillitht. allait shield extending from the lower part oi' said retainer mer and spaced from said inlet ports, and an- .othenlightnhield extending from the upper part lotsaiiiretmner over and spaced from the outlet ports; the upper light shield being narrower than @exilim retainer so as to provide a mulder: at .wwe edge by which to seat the "tainlrzln nldbs, whereby a uniiled light s'lilelding .andlens retaining structure is proded.

:tn illuminating device of the type described comprising a housing having a iront wall with anfsopening .thereinfar fthewaasase at iight. a km'mrsaid opening@ plurality oiribspnotmdinginlerily imm opposite sidemallsolme houngand terminating. theirlowereads'in substantially-.copieur dnwnwardly .facing abutnant surtaeespatlsasttm oilsaid ribshelpgpposirte to-eaoh thsrandparallel with-them mail. :..tainar platetorboldingmatd basin saidwpming.,.said edges against the vtwo said ribs .and .bring agamstfthe lens..a lamnlisnadlwithsaidflens, a lamp .mounting including-.a .bottom plateau which said lamp is mounted-and held imam ment with ,the lens .byeantactithe plamith said jsurtaaeaajimir ai inwardlypmiectingledaesnear thebottomfoi the honing on'tvzointerlor ,surtao thereof, anda-pair .ofrspnnghoeks mi saidhottom Plate engaging overnam-ledges tov holdfshe 40 bottom plate against laid -.abutment amena.

whereby .the .lamps proverb aligned with :the lens and held in that position by a dsmolmtable connoetkm.

,WCHA-J. mi'.

.Belenensasited in nihismatllt UNITED mIPTmI'B 

